AIDAN O'BRIEN
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Ireland
A former champion amateur jockey, Aiden O'Brien took up a trainer's license at the age of 23 and made an immediate impact as a jumps trainer sending out two winners at his first meeting.
O'Brien broke the record for number of wins in a year at only his second season before trying his hand at training flat horses in 1996 after taking over at the famous Ballydoyle stables in Tipperary for Coolmore.
Success started to come for Aiden O'Brien during the 1997 season winning the Irish 1,000 with Classic Park, and the 2,000 Guineas-Irish Derby double with Desert King.
The following season, O'Brien picked up his first English Classic when King Of Kings won the 2,000 Guineas and in 2001 he became the first overseas trainer since Vincent O'Brien (His Predecessor) to win the British trainers' title.
O'Brien has continued to train Group 1 winners all over the world and is recognised as one of the top trainers with feature wins in Ireland, Britain, France, America, Hong Kong, Australia, UAE, Canada and Italy.
Some of the best horses O'Brien has trained include Desert King, Rock Of Gibraltar, Yeats, High Chaparall, Dylan Thomas, So You Think, Holy Roman Emperor, Henrythenavigator and Galileo.
AIDAN O'BRIEN's Career
Starts
Latest Runners
| FP | Date | Course | Runner | Div | Type | Distance | PM AUD $ | Jockey | Time |
|---|---|---|---|---|---|---|---|---|---|
| 11 of 14 | 08 Nov 2024 | DDLA | NORTH AFRICA | $13 | 3UFM OPEN LR | 1m | $86,720 | NATHAN CROSSE | 1:37.83 |
| 10 of 14 | 08 Nov 2024 | DDLA | ISEULT OF IRELAND | $12 | 3UFM OPEN LR | 1m | $86,720 | WAYNE HASSETT | 1:37.83 |
| 4 of 14 | 08 Nov 2024 | DDLA | ANDROMEDA | $13 | 3UFM OPEN LR | 1m | $86,720 | MARK CREHAN | 1:37.83 |
| 3 of 19 | 03 Nov 2024 | ICU | OSPREY | $4.3 | 3U MDN | 1m4f | $34,690 | DYLAN BROWNE MCMONAGLE | 2:41.39 |
| 5 of 17 | 03 Nov 2024 | ICU | ISEULT OF IRELAND | $41 | 3U OPEN LR | 1m4f | $69,370 | WAYNE HASSETT | 2:38.34 |
| 4 of 17 | 03 Nov 2024 | ICU | RUBIES ARE RED | $12 | 3U OPEN LR | 1m4f | $69,370 | CHRIS HAYES | 2:38.34 |
| 11 of 17 | 03 Nov 2024 | ICU | ANDROMEDA | $17 | 3U OPEN LR | 1m4f | $69,370 | GAVIN RYAN | 2:38.34 |
| 3 of 17 | 03 Nov 2024 | ICU | NORTH AFRICA | $26 | 3U OPEN LR | 1m4f | $69,370 | NATHAN CROSSE | 2:38.34 |
| 4 of 5 | 03 Nov 2024 | ICU | GET | $21 | 3U OPEN G3 | 2m½f | $94,370 | DECLAN MCDONOGH | 3:46.48 |
| 2 of 5 | 03 Nov 2024 | ICU | LILY HART | $7.5 | 3U OPEN G3 | 2m½f | $94,370 | GAVIN RYAN | 3:46.48 |
Jockey Statistics
| Jockey Name | Wins | Win (%) | Places | Place (%) | Runners | PM AUD $ | G1(w) | G2(w) | G3(w) | LR(w) | ROI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| W M LORDAN | 7 | 22.6% | 8 | 48.4% | 31 | $507,824 | 0 | 0 | 2 | 0 | $0.66 |
| RYAN MOORE | 6 | 25.0% | 5 | 45.8% | 24 | $3,081,971 | 3 | 1 | 1 | 0 | $0.85 |
| GAVIN RYAN | 1 | 12.5% | 3 | 50.0% | 8 | $50,738 | 0 | 0 | 0 | 0 | $0.54 |
| DECLAN MCDONOGH | 1 | 25.0% | 0 | 25.0% | 4 | $28,727 | 0 | 0 | 0 | 0 | $0.75 |
| MARK CREHAN | 1 | 33.3% | 0 | 33.3% | 3 | $34,539 | 0 | 0 | 0 | 0 | $9.67 |
| JACK CLEARY | 0 | 0.0% | 2 | 22.2% | 9 | $15,028 | 0 | 0 | 0 | 0 | - |
| WAYNE HASSETT | 0 | 0.0% | 1 | 20.0% | 5 | $6,734 | 0 | 0 | 0 | 0 | - |
| C SOUMILLON | 0 | 0.0% | 1 | 25.0% | 4 | $92,326 | 0 | 0 | 0 | 0 | - |
| NATHAN CROSSE | 0 | 0.0% | 1 | 50.0% | 2 | $6,642 | 0 | 0 | 0 | 0 | - |
| DYLAN BROWNE MCMONAGLE | 0 | 0.0% | 2 | 100.0% | 2 | $9,631 | 0 | 0 | 0 | 0 | - |
| R P WHELAN | 0 | 0.0% | 0 | 0.0% | 2 | $2,030 | 0 | 0 | 0 | 0 | - |
| CHRIS HAYES | 0 | 0.0% | 0 | 0.0% | 1 | $6,642 | 0 | 0 | 0 | 0 | - |
| LANFRANCO DETTORI | 0 | 0.0% | 0 | 0.0% | 1 | $15,221 | 0 | 0 | 0 | 0 | - |
| SEAN LEVEY | 0 | 0.0% | 1 | 100.0% | 1 | $198,339 | 0 | 0 | 0 | 0 | - |
| COLIN KEANE | 0 | 0.0% | 0 | 0.0% | 1 | $8,884 | 0 | 0 | 0 | 0 | - |
| Jockey Name | Wins | Win (%) | Places | Place (%) | Runners | PM AUD $ | G1(w) | G2(w) | G3(w) | LR(w) | ROI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SEAMIE HEFFERNAN | 579 | 18.4% | 884 | 46.5% | 3145 | $54,000,702 | 35 | 16 | 61 | 64 | $0.88 |
| RYAN MOORE | 557 | 25.5% | 644 | 55.1% | 2181 | $184,693,415 | 143 | 79 | 99 | 66 | $0.88 |
| JOSEPH O'BRIEN | 412 | 26.6% | 466 | 56.6% | 1551 | $36,837,408 | 31 | 13 | 44 | 32 | $0.81 |
| MICK KINANE | 275 | 31.9% | 279 | 64.3% | 861 | $28,545,921 | 48 | 15 | 29 | 32 | $0.92 |
| DONNACHA O'BRIEN | 249 | 24.3% | 303 | 54.0% | 1023 | $17,556,949 | 8 | 6 | 14 | 19 | $0.83 |
| JOHN MURTAGH | 208 | 25.8% | 232 | 54.6% | 806 | $33,394,830 | 48 | 18 | 25 | 12 | $0.87 |
| W M LORDAN | 151 | 13.4% | 275 | 37.9% | 1124 | $18,522,761 | 5 | 3 | 13 | 14 | $0.75 |
| K FALLON | 126 | 24.6% | 151 | 54.1% | 512 | $17,271,049 | 26 | 10 | 12 | 15 | $0.85 |
| C O'DONOGHUE | 98 | 11.0% | 207 | 34.1% | 894 | $12,688,179 | 10 | 4 | 11 | 13 | $0.82 |
| JAMIE SPENCER | 86 | 24.9% | 100 | 53.8% | 346 | $7,416,510 | 13 | 8 | 9 | 14 | $0.81 |
| ANASTASIA O'BRIEN | 42 | 9.8% | 80 | 28.4% | 430 | $912,158 | 0 | 0 | 0 | 1 | $0.54 |
| SEAN LEVEY | 30 | 14.1% | 24 | 25.4% | 213 | $1,858,275 | 1 | 0 | 2 | 2 | $0.85 |
| MISS S O'BRIEN | 27 | 24.3% | 28 | 49.5% | 111 | $357,753 | 0 | 0 | 0 | 0 | $0.79 |
| M C HUSSEY | 18 | 8.2% | 36 | 24.5% | 220 | $900,258 | 0 | 0 | 2 | 2 | $0.67 |
| ROBBIE POWER | 17 | 28.8% | 13 | 50.8% | 59 | $205,264 | 0 | 0 | 0 | 0 | $1.18 |
Seasons Summary Statistics
| Season | Wins | Win (%) | Places | Place (%) | Runners | PM AUD $ | G1(w) | G2(w) | G3(w) | LR(w) | ROI |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/25 | 88 | 25.3% | 103 | 54.9% | 348 | $19,587,245 | 14 | 7 | 12 | 7 | $1.07 |
| 2023/24 | 147 | 21.8% | 198 | 51.3% | 673 | $38,806,638 | 21 | 10 | 17 | 14 | $0.84 |
| 2022/23 | 138 | 22.0% | 168 | 48.8% | 627 | $27,319,988 | 17 | 11 | 16 | 14 | $0.81 |
| 2021/22 | 104 | 18.2% | 134 | 41.6% | 572 | $15,289,760 | 10 | 8 | 13 | 13 | $0.82 |
| 2020/21 | 140 | 18.6% | 193 | 44.3% | 751 | $27,550,725 | 19 | 7 | 17 | 10 | $0.92 |
| 2019/20 | 123 | 16.1% | 185 | 40.3% | 764 | $26,678,913 | 15 | 9 | 14 | 11 | $0.74 |
| 2018/19 | 166 | 16.5% | 256 | 41.9% | 1006 | $33,292,430 | 15 | 13 | 22 | 17 | $0.79 |
| 2017/18 | 167 | 19.7% | 229 | 46.8% | 846 | $32,490,987 | 24 | 14 | 22 | 22 | $0.78 |
| 2016/17 | 151 | 17.6% | 267 | 48.8% | 857 | $33,549,499 | 23 | 14 | 17 | 12 | $0.71 |
| 2015/16 | 192 | 20.3% | 266 | 48.5% | 944 | $26,690,446 | 24 | 9 | 19 | 20 | $0.86 |
| Overall | 3062 | 20.0% | 4129 | 26.9% | 15328 | $458,186,847 | 399 | 184 | 336 | 297 | $0.80 |
